MBON Retrieval and Redeployment Cruise

September 12, 2025 R/V Daiber Lewes, DE

Cruise Report

Crew

  • Aaron Carlisle UD
    • Chief Scientist
  • Caroline Tribble UMCES
    • Acoustics and Biotelemetry lead
  • Michael Cyrana JHU-APL
    • eDNA lead
  • Tess Avery UD
    • Field technician assisting with eDNA, acoustics, and biotelemetry
  • Evan Falgowski UD
    • Captain of R/V Daiber

Contact Information

  • (831) 601-7461 | carlisle@udel.edu

  • (301) 938-0265 | ctribble@umces.edu

  • (443) 257-9276 | Michael.Cyrana@jhuapl.edu

  • (617) 599-9681 | tmavery@udel.edu

  • (610) 563-1040 | evanfal@udel.edu


Conditions

Winds SW, 3-4 sea state, 75°F sunny, good visibility

Summary (EST)

0645 Departed Lewes, DE boat dock.

0936 Arrived at T-3C.

0947 Conducted CTD cast for eDNA sampling.

0953 Completed operations.

1025 Arrived at T-2C.

1030 Conducted CTD cast for eDNA sampling. Retrieved F-POD, VR2AR mooring.

1036 Deployed new F-POD, VR2AR mooring.

1050 Arrived at MBON5.

1054 Conducted CTD cast for eDNA sampling. Retrieved VR2AR mooring not recovered in April.

1058 Deployed new VR2AR mooring.

1102 Arrived at MBON5*.

1106 Retrieved VR2AR mooring deployed offset from original site in April.

1120 Arrived at MBON4.

1123 Conducted CTD cast for eDNA sampling.

1131 Completed operations.

1140 Arrived at A-5C.

1147 Conducted CTD cast for eDNA sampling. Retrieved F-POD, VR2AR mooring.

1151 Deployed new F-POD, VR2AR mooring.

1209 Arrived at MBON3.

1212 Conducted CTD cast for eDNA sampling. Retrieved VR2AR mooring.

1216 Deployed new VR2AR mooring.

1228 Arrived at MBON2.

1232 Conducted CTD cast for eDNA sampling.

1240 Completed operations.

1310 Arrived at T-1C.

1328 Conducted CTD cast for eDNA sampling. Unable to retrieve F-POD VR2AR mooring, team had difficulty communicating with deployed VR2AR and experienced technical issues with VR100 hydrophone connection. Team will reattempt retrieval in November.

1329 Deployed new F-POD, VR2AR mooring (T-1C*) offset 500 m from original site.

1350 Arrived at MBON1.

1407 Conducted CTD cast for eDNA sampling. Unable to retrieve VR2AR mooring similar to previous site and increased technical issues with VR100 hydrophone connection. Team will reattempt retrieval in November.

1408 Deployed new VR2AR mooring (MBON1*) offset 500 m from original site.

1615 Arrived at Lewes, DE boat dock.

Study Area Map

Map displays site locations color coded and labeled by the type of field operations conducted (blue = eDNA sampling only, green = mooring retrieval, orange = mooring deployment, red = April 2025 locations of moorings not retrieved).

Retrieval Table

Site Devices to retrieve VR2AR Serial # Retrieval Date Retrieval Time (EST) Retrieval Lat (dd) Retrieval Long (dd) Retrieval Depth (m) Retrieval Notes
T-3C n/a n/a n/a n/a n/a n/a n/a No hotswap, eDNA only
T-2C VR2AR, FPOD 553508 9/12/2025 10:30 38.3356 -74.5053 44.5 WPT 109
MBON5 VR2AR ONLY 546457 9/12/2025 10:54 38.3362 -74.5781 40.5 WPT 111
MBON5* VR2AR ONLY 553507 9/12/2025 11:06 38.3353 -74.5796 39.6 WPT 113
MBON4 n/a n/a n/a n/a n/a n/a n/a No hotswap, eDNA only
A-5C VR2AR, FPOD 546467 9/12/2025 11:47 38.3354 -74.7237 27.4 WPT 115
MBON3 VR2AR ONLY 546309 9/12/2025 12:12 38.3358 -74.7984 23.1 WPT 117
MBON2 n/a n/a n/a n/a n/a n/a n/a No hotswap, eDNA only
T-1C VR2AR, FPOD 546459 - - - - - Unable to retrieve, will reattempt in November
MBON1 VR2AR ONLY 546476 - - - - - Unable to retrieve, will reattempt in November. Team noted trawl or seine vessel nearby.

Deployment Table

Site

Devices to deploy

PAM Serial #

VR2AR Serial #

Deploy Date

Deploy Time (EST)

Deploy Lat (dd)

Deploy Long (dd)

Deploy Depth (m)

Deployment Notes

T-3C

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

No hotswap, eDNA only WPT 108

T-2C

VR2AR, FPOD

7249

546463

9/12/2025

10:36

38.3360

-74.5050

44.8

WPT 110

MBON5

VR2AR ONLY

-

546323

9/12/2025

10:58

38.3361

-74.5776

41.5

WPT 112

MBON4

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

No hotswap, eDNA only WPT 114

A-5C

VR2AR, FPOD

7253

546476

9/12/2025

11:51

38.3360

-74.7230

27.8

WPT 116

MBON3

VR2AR ONLY

-

546470

9/12/2025

12:16

38.3360

-74.7983

23.3

WPT 118

MBON2

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

No hotswap, eDNA only WPT 119

T-1C*

VR2AR, FPOD

7047

546459

9/12/2025

13:29

38.3359

-74.9540

16.6

WPT 120

MBON1*

VR2AR ONLY

-

546309

9/12/2025

14:08

38.3361

-75.0200

18.6

WPT 121

PAM Device Setup Table

Site PAM type Serial # Start Date Start Time (EST) PAM Device Setup Notes
T-2C FPOD 7249 9/12/2025 00:15 All F-PODs started on the same hr:min:sec time scale in real time EST (started 00:15:00)
A-5C FPOD 7253 9/12/2025 00:16 All F-PODs started on the same hr:min:sec time scale in real time EST (started 00:16:00)
T-1C* FPOD 7047 9/12/2025 00:17 All F-PODs started on the same hr:min:sec time scale in real time EST (started 00:17:00)

Biotelemetry Device Setup Table

Site VR2AR Serial # Start Date Start Time (EST) Changed Batteries? Checked O rings? Release Lug Attached? VR2AR Setup Notes
T-2C 546463 9/10/2025 15:43 Yes, 100% remaining Secor UMCES Device
MBON5 546323 9/10/2025 15:38 No, 46% remaining Secor UMCES Device
A-5C 546476 9/10/2025 16:32 No, 46% remaining Secor UMCES Device
MBON3 546470 9/10/2025 16:47 No, 46% remaining Secor UMCES Device
T-1C* 546459 9/10/2025 16:58 No, 46% remaining Secor UMCES Device
MBON1* 546309 9/10/2025 17:15 Yes, 100% bremaining Secor UMCES Device

Photos from Cruise